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Substrate cycling, energy balance

All these polyesters are produced by bacteria in some stressed conditions in which they are deprived of some essential component for thek normal metabohc processes. Under normal conditions of balanced growth the bacteria utilizes any substrate for energy and growth, whereas under stressed conditions bacteria utilize any suitable substrate to produce polyesters as reserve material. When the bacteria can no longer subsist on the organic substrate as a result of depletion, they consume the reserve for energy and food for survival or upon removal of the stress, the reserve is consumed and normal activities resumed. This cycle is utilized to produce the polymers which are harvested at maximum cell yield. This process has been treated in more detail in a paper (71) on the mechanism of biosynthesis of poly(hydroxyaIkanoate)s. [Pg.478]

See other pages where Substrate cycling, energy balance is mentioned: [Pg.354]    [Pg.212]    [Pg.54]    [Pg.450]    [Pg.203]    [Pg.543]    [Pg.723]    [Pg.167]    [Pg.172]    [Pg.450]    [Pg.54]    [Pg.568]    [Pg.315]    [Pg.562]    [Pg.141]    [Pg.447]    [Pg.723]    [Pg.512]    [Pg.303]    [Pg.21]    [Pg.568]    [Pg.364]    [Pg.450]    [Pg.106]   
See also in sourсe #XX -- [ Pg.271 ]



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